mirror of
https://github.com/norandom/OpenUltraSAST.git
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37 lines
1001 B
C
37 lines
1001 B
C
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/* Provenance: openssl/openssl ia5ncasecmp (fixed).
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* repo: openssl/openssl
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* commit: d2015a783e64613d8e4a142fa05048d1863df944
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* parent: 918430ba80d94ec8f05383b43b1872b1ebb13e1a
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* commit_url: https://github.com/openssl/openssl/commit/d2015a783e64613d8e4a142fa05048d1863df944
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* cve: CVE-2021-3712
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* license: OpenSSL License
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* function: ia5ncasecmp
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* relpath: crypto/x509/v3_ncons.c
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*/
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static int ia5ncasecmp(const char *s1, const char *s2, size_t n)
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{
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for (; n > 0; n--, s1++, s2++) {
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if (*s1 != *s2) {
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unsigned char c1 = (unsigned char)*s1, c2 = (unsigned char)*s2;
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/* Convert to lower case */
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if (c1 >= 0x41 /* A */ && c1 <= 0x5A /* Z */)
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c1 += 0x20;
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if (c2 >= 0x41 /* A */ && c2 <= 0x5A /* Z */)
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c2 += 0x20;
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if (c1 == c2)
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continue;
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if (c1 < c2)
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return -1;
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/* c1 > c2 */
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return 1;
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}
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}
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return 0;
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}
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